By Corné Ouwehand | Katwijk, zuid holland, Netherlands

By jose palma | VALE DO POÇO , SERPA , PORTUGAL

By Muhammad Alaa | Egypt, Assiut

By Alexander Krivenyshev | Nyack, New York

By Adeel Shafiq | Jhelum, Punjab, Pakistan

By Nina Gorenstein | West Lafayette, IN, USA

By Randy Strauss | Walnut Creek Lake, Nebraska

By Hassan Dadashi . Arani | Esfahan. Iran

By David Hoskin | Halifax, Nova Scotia, Canada

By Tameem Altameemi | Jebel Jais Mountain - United Arab Emirates

By Julie Rexroad | Rural Bucyrus, Ohio

By Julie Rexroad | Rural Bucyrus, Ohio

By Peter Stern | Mammoth Lakes. California

By Gemini Brett | El Sobrante, California

By Filipp Romanov | Yuzhno-Morskoy, Primorsky Krai, Russia

By ROBERTO BURKLE | Playa del Carmen, Quintana Roo, México.